Display screen or a portion thereof with graphical user interface



FIG. 1 shows a display screen or portion thereof with graphical user interface detailing our new design according to an embodiment of the present invention; and,

FIG. 2 shows a display screen or portion thereof with graphical user interface detailing our new design according to an alternative embodiment of the present invention.

The broken line showing of a display screen or portion thereof with graphical user interface is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or a portion thereof with graphical user interface, as shown and described. 